Overview
Brought to you by YData
Dataset statistics
| Number of variables | 16 |
|---|---|
| Number of observations | 1000 |
| Missing cells | 91 |
| Missing cells (%) | 0.6% |
| Duplicate rows | 0 |
| Duplicate rows (%) | 0.0% |
| Total size in memory | 125.1 KiB |
| Average record size in memory | 128.1 B |
Variable types
| Text | 1 |
|---|---|
| Numeric | 9 |
| Categorical | 4 |
| Boolean | 2 |
exam_score is highly overall correlated with study_hours_per_day | High correlation |
study_hours_per_day is highly overall correlated with exam_score | High correlation |
parental_education_level has 91 (9.1%) missing values | Missing |
student_id has unique values | Unique |
study_hours_per_day has 13 (1.3%) zeros | Zeros |
social_media_hours has 21 (2.1%) zeros | Zeros |
netflix_hours has 59 (5.9%) zeros | Zeros |
exercise_frequency has 144 (14.4%) zeros | Zeros |
Reproduction
| Analysis started | 2025-07-10 18:06:51.960244 |
|---|---|
| Analysis finished | 2025-07-10 18:07:01.445297 |
| Duration | 9.49 seconds |
| Software version | ydata-profiling vv4.16.1 |
| Download configuration | config.json |
Variables
student_id
Text
Unique
| Distinct | 1000 |
|---|---|
| Distinct (%) | 100.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 7.9 KiB |
Length
| Max length | 5 |
|---|---|
| Median length | 5 |
| Mean length | 5 |
| Min length | 5 |
Unique
| Unique | 1000 ? |
|---|---|
| Unique (%) | 100.0% |
Sample
| 1st row | S1000 |
|---|---|
| 2nd row | S1001 |
| 3rd row | S1002 |
| 4th row | S1003 |
| 5th row | S1004 |
| Value | Count | Frequency (%) |
| s1000 | 1 | 0.1% |
| s1013 | 1 | 0.1% |
| s1030 | 1 | 0.1% |
| s1029 | 1 | 0.1% |
| s1002 | 1 | 0.1% |
| s1003 | 1 | 0.1% |
| s1004 | 1 | 0.1% |
| s1005 | 1 | 0.1% |
| s1006 | 1 | 0.1% |
| s1007 | 1 | 0.1% |
| Other values (990) | 990 |
Most occurring characters
| Value | Count | Frequency (%) |
| 1 | 1300 | |
| S | 1000 | |
| 0 | 300 | 6.0% |
| 6 | 300 | 6.0% |
| 7 | 300 | 6.0% |
| 5 | 300 | 6.0% |
| 8 | 300 | 6.0% |
| 9 | 300 | 6.0% |
| 2 | 300 | 6.0% |
| 3 | 300 | 6.0% |
Most occurring categories
| Value | Count | Frequency (%) |
| Decimal Number | 4000 | |
| Uppercase Letter | 1000 | 20.0% |
Most frequent character per category
Decimal Number
| Value | Count | Frequency (%) |
| 1 | 1300 | |
| 0 | 300 | 7.5% |
| 6 | 300 | 7.5% |
| 7 | 300 | 7.5% |
| 5 | 300 | 7.5% |
| 8 | 300 | 7.5% |
| 9 | 300 | 7.5% |
| 2 | 300 | 7.5% |
| 3 | 300 | 7.5% |
| 4 | 300 | 7.5% |
Uppercase Letter
| Value | Count | Frequency (%) |
| S | 1000 |
Most occurring scripts
| Value | Count | Frequency (%) |
| Common | 4000 | |
| Latin | 1000 | 20.0% |
Most frequent character per script
Common
| Value | Count | Frequency (%) |
| 1 | 1300 | |
| 0 | 300 | 7.5% |
| 6 | 300 | 7.5% |
| 7 | 300 | 7.5% |
| 5 | 300 | 7.5% |
| 8 | 300 | 7.5% |
| 9 | 300 | 7.5% |
| 2 | 300 | 7.5% |
| 3 | 300 | 7.5% |
| 4 | 300 | 7.5% |
Latin
| Value | Count | Frequency (%) |
| S | 1000 |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 5000 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| 1 | 1300 | |
| S | 1000 | |
| 0 | 300 | 6.0% |
| 6 | 300 | 6.0% |
| 7 | 300 | 6.0% |
| 5 | 300 | 6.0% |
| 8 | 300 | 6.0% |
| 9 | 300 | 6.0% |
| 2 | 300 | 6.0% |
| 3 | 300 | 6.0% |
age
Real number (ℝ)
| Distinct | 8 |
|---|---|
| Distinct (%) | 0.8% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 20.498 |
| Minimum | 17 |
|---|---|
| Maximum | 24 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.9 KiB |
Quantile statistics
| Minimum | 17 |
|---|---|
| 5-th percentile | 17 |
| Q1 | 18.75 |
| median | 20 |
| Q3 | 23 |
| 95-th percentile | 24 |
| Maximum | 24 |
| Range | 7 |
| Interquartile range (IQR) | 4.25 |
Descriptive statistics
| Standard deviation | 2.3080995 |
|---|---|
| Coefficient of variation (CV) | 0.11260121 |
| Kurtosis | -1.2189938 |
| Mean | 20.498 |
| Median Absolute Deviation (MAD) | 2 |
| Skewness | 0.0084371397 |
| Sum | 20498 |
| Variance | 5.3273233 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=8)
| Value | Count | Frequency (%) |
| 20 | 146 | |
| 24 | 134 | |
| 17 | 133 | |
| 21 | 125 | |
| 23 | 119 | |
| 18 | 117 | |
| 19 | 113 | |
| 22 | 113 |
| Value | Count | Frequency (%) |
| 17 | 133 | |
| 18 | 117 | |
| 19 | 113 | |
| 20 | 146 | |
| 21 | 125 | |
| 22 | 113 | |
| 23 | 119 | |
| 24 | 134 |
| Value | Count | Frequency (%) |
| 24 | 134 | |
| 23 | 119 | |
| 22 | 113 | |
| 21 | 125 | |
| 20 | 146 | |
| 19 | 113 | |
| 18 | 117 | |
| 17 | 133 |
gender
Categorical
| Distinct | 3 |
|---|---|
| Distinct (%) | 0.3% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 7.9 KiB |
| Female | |
|---|---|
| Male | |
| Other | 42 |
Length
| Max length | 6 |
|---|---|
| Median length | 5 |
| Mean length | 5.004 |
| Min length | 4 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | Female |
|---|---|
| 2nd row | Female |
| 3rd row | Male |
| 4th row | Female |
| 5th row | Female |
Common Values
| Value | Count | Frequency (%) |
| Female | 481 | |
| Male | 477 | |
| Other | 42 | 4.2% |
Length
Histogram of lengths of the category
Common Values (Plot)
| Value | Count | Frequency (%) |
| female | 481 | |
| male | 477 | |
| other | 42 | 4.2% |
Most occurring characters
| Value | Count | Frequency (%) |
| e | 1481 | |
| a | 958 | |
| l | 958 | |
| F | 481 | 9.6% |
| m | 481 | 9.6% |
| M | 477 | 9.5% |
| O | 42 | 0.8% |
| t | 42 | 0.8% |
| h | 42 | 0.8% |
| r | 42 | 0.8% |
Most occurring categories
| Value | Count | Frequency (%) |
| Lowercase Letter | 4004 | |
| Uppercase Letter | 1000 | 20.0% |
Most frequent character per category
Lowercase Letter
| Value | Count | Frequency (%) |
| e | 1481 | |
| a | 958 | |
| l | 958 | |
| m | 481 | 12.0% |
| t | 42 | 1.0% |
| h | 42 | 1.0% |
| r | 42 | 1.0% |
Uppercase Letter
| Value | Count | Frequency (%) |
| F | 481 | |
| M | 477 | |
| O | 42 | 4.2% |
Most occurring scripts
| Value | Count | Frequency (%) |
| Latin | 5004 |
Most frequent character per script
Latin
| Value | Count | Frequency (%) |
| e | 1481 | |
| a | 958 | |
| l | 958 | |
| F | 481 | 9.6% |
| m | 481 | 9.6% |
| M | 477 | 9.5% |
| O | 42 | 0.8% |
| t | 42 | 0.8% |
| h | 42 | 0.8% |
| r | 42 | 0.8% |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 5004 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| e | 1481 | |
| a | 958 | |
| l | 958 | |
| F | 481 | 9.6% |
| m | 481 | 9.6% |
| M | 477 | 9.5% |
| O | 42 | 0.8% |
| t | 42 | 0.8% |
| h | 42 | 0.8% |
| r | 42 | 0.8% |
study_hours_per_day
Real number (ℝ)
High correlation Zeros
| Distinct | 78 |
|---|---|
| Distinct (%) | 7.8% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 3.5501 |
| Minimum | 0 |
|---|---|
| Maximum | 8.3 |
| Zeros | 13 |
| Zeros (%) | 1.3% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.9 KiB |
Quantile statistics
| Minimum | 0 |
|---|---|
| 5-th percentile | 1.1 |
| Q1 | 2.6 |
| median | 3.5 |
| Q3 | 4.5 |
| 95-th percentile | 6 |
| Maximum | 8.3 |
| Range | 8.3 |
| Interquartile range (IQR) | 1.9 |
Descriptive statistics
| Standard deviation | 1.4688899 |
|---|---|
| Coefficient of variation (CV) | 0.41376016 |
| Kurtosis | -0.055651868 |
| Mean | 3.5501 |
| Median Absolute Deviation (MAD) | 1 |
| Skewness | 0.054253101 |
| Sum | 3550.1 |
| Variance | 2.1576376 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 3.5 | 38 | 3.8% |
| 3.2 | 36 | 3.6% |
| 4.3 | 35 | 3.5% |
| 3.3 | 34 | 3.4% |
| 3.8 | 31 | 3.1% |
| 4.1 | 26 | 2.6% |
| 3.6 | 26 | 2.6% |
| 3 | 25 | 2.5% |
| 3.9 | 25 | 2.5% |
| 2.5 | 24 | 2.4% |
| Other values (68) | 700 |
| Value | Count | Frequency (%) |
| 0 | 13 | |
| 0.1 | 1 | 0.1% |
| 0.2 | 1 | 0.1% |
| 0.3 | 4 | 0.4% |
| 0.5 | 4 | 0.4% |
| 0.6 | 1 | 0.1% |
| 0.7 | 5 | 0.5% |
| 0.8 | 7 | |
| 0.9 | 3 | 0.3% |
| 1 | 5 | 0.5% |
| Value | Count | Frequency (%) |
| 8.3 | 1 | 0.1% |
| 8.2 | 1 | 0.1% |
| 7.6 | 1 | 0.1% |
| 7.5 | 1 | 0.1% |
| 7.4 | 3 | |
| 7.3 | 1 | 0.1% |
| 7.2 | 2 | |
| 7.1 | 1 | 0.1% |
| 7 | 1 | 0.1% |
| 6.9 | 1 | 0.1% |
social_media_hours
Real number (ℝ)
Zeros
| Distinct | 60 |
|---|---|
| Distinct (%) | 6.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 2.5055 |
| Minimum | 0 |
|---|---|
| Maximum | 7.2 |
| Zeros | 21 |
| Zeros (%) | 2.1% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.9 KiB |
Quantile statistics
| Minimum | 0 |
|---|---|
| 5-th percentile | 0.595 |
| Q1 | 1.7 |
| median | 2.5 |
| Q3 | 3.3 |
| 95-th percentile | 4.5 |
| Maximum | 7.2 |
| Range | 7.2 |
| Interquartile range (IQR) | 1.6 |
Descriptive statistics
| Standard deviation | 1.1724224 |
|---|---|
| Coefficient of variation (CV) | 0.4679395 |
| Kurtosis | -0.094082029 |
| Mean | 2.5055 |
| Median Absolute Deviation (MAD) | 0.8 |
| Skewness | 0.1198052 |
| Sum | 2505.5 |
| Variance | 1.3745743 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 3.1 | 38 | 3.8% |
| 2.9 | 36 | 3.6% |
| 3.2 | 36 | 3.6% |
| 2.2 | 35 | 3.5% |
| 2.1 | 35 | 3.5% |
| 3 | 34 | 3.4% |
| 2.4 | 34 | 3.4% |
| 1.9 | 32 | 3.2% |
| 2.3 | 32 | 3.2% |
| 2.8 | 31 | 3.1% |
| Other values (50) | 657 |
| Value | Count | Frequency (%) |
| 0 | 21 | |
| 0.1 | 3 | 0.3% |
| 0.2 | 8 | 0.8% |
| 0.3 | 6 | 0.6% |
| 0.4 | 6 | 0.6% |
| 0.5 | 6 | 0.6% |
| 0.6 | 8 | 0.8% |
| 0.7 | 10 | |
| 0.8 | 10 | |
| 0.9 | 20 |
| Value | Count | Frequency (%) |
| 7.2 | 1 | 0.1% |
| 6.2 | 1 | 0.1% |
| 6.1 | 1 | 0.1% |
| 6 | 1 | 0.1% |
| 5.7 | 1 | 0.1% |
| 5.6 | 1 | 0.1% |
| 5.4 | 2 | |
| 5.3 | 1 | 0.1% |
| 5.2 | 1 | 0.1% |
| 5 | 4 |
netflix_hours
Real number (ℝ)
Zeros
| Distinct | 51 |
|---|---|
| Distinct (%) | 5.1% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 1.8197 |
| Minimum | 0 |
|---|---|
| Maximum | 5.4 |
| Zeros | 59 |
| Zeros (%) | 5.9% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.9 KiB |
Quantile statistics
| Minimum | 0 |
|---|---|
| 5-th percentile | 0 |
| Q1 | 1 |
| median | 1.8 |
| Q3 | 2.525 |
| 95-th percentile | 3.6 |
| Maximum | 5.4 |
| Range | 5.4 |
| Interquartile range (IQR) | 1.525 |
Descriptive statistics
| Standard deviation | 1.0751176 |
|---|---|
| Coefficient of variation (CV) | 0.59082133 |
| Kurtosis | -0.43285846 |
| Mean | 1.8197 |
| Median Absolute Deviation (MAD) | 0.8 |
| Skewness | 0.2371544 |
| Sum | 1819.7 |
| Variance | 1.1558778 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 0 | 59 | 5.9% |
| 2 | 48 | 4.8% |
| 1.7 | 41 | 4.1% |
| 1.4 | 40 | 4.0% |
| 1.6 | 39 | 3.9% |
| 2.3 | 37 | 3.7% |
| 2.2 | 35 | 3.5% |
| 2.4 | 34 | 3.4% |
| 2.1 | 33 | 3.3% |
| 0.9 | 33 | 3.3% |
| Other values (41) | 601 |
| Value | Count | Frequency (%) |
| 0 | 59 | |
| 0.1 | 12 | 1.2% |
| 0.2 | 11 | 1.1% |
| 0.3 | 17 | 1.7% |
| 0.4 | 17 | 1.7% |
| 0.5 | 21 | 2.1% |
| 0.6 | 19 | 1.9% |
| 0.7 | 28 | |
| 0.8 | 21 | 2.1% |
| 0.9 | 33 |
| Value | Count | Frequency (%) |
| 5.4 | 1 | 0.1% |
| 5.3 | 1 | 0.1% |
| 5 | 1 | 0.1% |
| 4.9 | 1 | 0.1% |
| 4.6 | 1 | 0.1% |
| 4.5 | 1 | 0.1% |
| 4.4 | 1 | 0.1% |
| 4.3 | 5 | |
| 4.2 | 4 | |
| 4.1 | 7 |
| Value | Count | Frequency (%) |
| False | 785 | |
| True | 215 | 21.5% |
attendance_percentage
Real number (ℝ)
| Distinct | 320 |
|---|---|
| Distinct (%) | 32.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 84.1317 |
| Minimum | 56 |
|---|---|
| Maximum | 100 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.9 KiB |
Quantile statistics
| Minimum | 56 |
|---|---|
| 5-th percentile | 67.595 |
| Q1 | 78 |
| median | 84.4 |
| Q3 | 91.025 |
| 95-th percentile | 100 |
| Maximum | 100 |
| Range | 44 |
| Interquartile range (IQR) | 13.025 |
Descriptive statistics
| Standard deviation | 9.3992463 |
|---|---|
| Coefficient of variation (CV) | 0.11172063 |
| Kurtosis | -0.3907113 |
| Mean | 84.1317 |
| Median Absolute Deviation (MAD) | 6.5 |
| Skewness | -0.23781043 |
| Sum | 84131.7 |
| Variance | 88.345831 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 100 | 66 | 6.6% |
| 85.8 | 12 | 1.2% |
| 85.3 | 8 | 0.8% |
| 83.2 | 7 | 0.7% |
| 81.7 | 7 | 0.7% |
| 92.3 | 7 | 0.7% |
| 79.9 | 7 | 0.7% |
| 84.8 | 7 | 0.7% |
| 85.2 | 7 | 0.7% |
| 75.2 | 6 | 0.6% |
| Other values (310) | 866 |
| Value | Count | Frequency (%) |
| 56 | 1 | |
| 56.7 | 1 | |
| 57.6 | 1 | |
| 59.5 | 1 | |
| 59.7 | 1 | |
| 59.8 | 1 | |
| 59.9 | 1 | |
| 60.6 | 1 | |
| 61 | 1 | |
| 61.2 | 1 |
| Value | Count | Frequency (%) |
| 100 | 66 | |
| 99.8 | 1 | 0.1% |
| 99.5 | 2 | 0.2% |
| 99.4 | 2 | 0.2% |
| 99.1 | 1 | 0.1% |
| 99 | 1 | 0.1% |
| 98.9 | 2 | 0.2% |
| 98.8 | 2 | 0.2% |
| 98.6 | 4 | 0.4% |
| 98.5 | 2 | 0.2% |
sleep_hours
Real number (ℝ)
| Distinct | 68 |
|---|---|
| Distinct (%) | 6.8% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 6.4701 |
| Minimum | 3.2 |
|---|---|
| Maximum | 10 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.9 KiB |
Quantile statistics
| Minimum | 3.2 |
|---|---|
| 5-th percentile | 4.595 |
| Q1 | 5.6 |
| median | 6.5 |
| Q3 | 7.3 |
| 95-th percentile | 8.5 |
| Maximum | 10 |
| Range | 6.8 |
| Interquartile range (IQR) | 1.7 |
Descriptive statistics
| Standard deviation | 1.2263768 |
|---|---|
| Coefficient of variation (CV) | 0.18954526 |
| Kurtosis | -0.21430896 |
| Mean | 6.4701 |
| Median Absolute Deviation (MAD) | 0.9 |
| Skewness | 0.091483972 |
| Sum | 6470.1 |
| Variance | 1.504 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 6.5 | 40 | 4.0% |
| 6.1 | 36 | 3.6% |
| 6.2 | 35 | 3.5% |
| 6.7 | 34 | 3.4% |
| 5.5 | 33 | 3.3% |
| 7.1 | 33 | 3.3% |
| 7 | 32 | 3.2% |
| 6.6 | 32 | 3.2% |
| 6.3 | 31 | 3.1% |
| 5.4 | 30 | 3.0% |
| Other values (58) | 664 |
| Value | Count | Frequency (%) |
| 3.2 | 1 | 0.1% |
| 3.3 | 3 | |
| 3.4 | 1 | 0.1% |
| 3.5 | 2 | 0.2% |
| 3.6 | 3 | |
| 3.7 | 2 | 0.2% |
| 3.8 | 3 | |
| 3.9 | 2 | 0.2% |
| 4 | 5 | |
| 4.1 | 6 |
| Value | Count | Frequency (%) |
| 10 | 2 | 0.2% |
| 9.8 | 1 | 0.1% |
| 9.7 | 2 | 0.2% |
| 9.6 | 1 | 0.1% |
| 9.5 | 3 | |
| 9.4 | 2 | 0.2% |
| 9.3 | 4 | |
| 9.2 | 1 | 0.1% |
| 9.1 | 6 | |
| 9 | 4 |
diet_quality
Categorical
| Distinct | 3 |
|---|---|
| Distinct (%) | 0.3% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 7.9 KiB |
| Fair | |
|---|---|
| Good | |
| Poor |
Length
| Max length | 4 |
|---|---|
| Median length | 4 |
| Mean length | 4 |
| Min length | 4 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | Fair |
|---|---|
| 2nd row | Good |
| 3rd row | Poor |
| 4th row | Poor |
| 5th row | Fair |
Common Values
| Value | Count | Frequency (%) |
| Fair | 437 | |
| Good | 378 | |
| Poor | 185 |
Length
Histogram of lengths of the category
Common Values (Plot)
| Value | Count | Frequency (%) |
| fair | 437 | |
| good | 378 | |
| poor | 185 |
Most occurring characters
| Value | Count | Frequency (%) |
| o | 1126 | |
| r | 622 | |
| F | 437 | 10.9% |
| a | 437 | 10.9% |
| i | 437 | 10.9% |
| G | 378 | 9.4% |
| d | 378 | 9.4% |
| P | 185 | 4.6% |
Most occurring categories
| Value | Count | Frequency (%) |
| Lowercase Letter | 3000 | |
| Uppercase Letter | 1000 | 25.0% |
Most frequent character per category
Lowercase Letter
| Value | Count | Frequency (%) |
| o | 1126 | |
| r | 622 | |
| a | 437 | 14.6% |
| i | 437 | 14.6% |
| d | 378 | 12.6% |
Uppercase Letter
| Value | Count | Frequency (%) |
| F | 437 | |
| G | 378 | |
| P | 185 |
Most occurring scripts
| Value | Count | Frequency (%) |
| Latin | 4000 |
Most frequent character per script
Latin
| Value | Count | Frequency (%) |
| o | 1126 | |
| r | 622 | |
| F | 437 | 10.9% |
| a | 437 | 10.9% |
| i | 437 | 10.9% |
| G | 378 | 9.4% |
| d | 378 | 9.4% |
| P | 185 | 4.6% |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 4000 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| o | 1126 | |
| r | 622 | |
| F | 437 | 10.9% |
| a | 437 | 10.9% |
| i | 437 | 10.9% |
| G | 378 | 9.4% |
| d | 378 | 9.4% |
| P | 185 | 4.6% |
exercise_frequency
Real number (ℝ)
Zeros
| Distinct | 7 |
|---|---|
| Distinct (%) | 0.7% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 3.042 |
| Minimum | 0 |
|---|---|
| Maximum | 6 |
| Zeros | 144 |
| Zeros (%) | 14.4% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.9 KiB |
Quantile statistics
| Minimum | 0 |
|---|---|
| 5-th percentile | 0 |
| Q1 | 1 |
| median | 3 |
| Q3 | 5 |
| 95-th percentile | 6 |
| Maximum | 6 |
| Range | 6 |
| Interquartile range (IQR) | 4 |
Descriptive statistics
| Standard deviation | 2.025423 |
|---|---|
| Coefficient of variation (CV) | 0.66581953 |
| Kurtosis | -1.2765261 |
| Mean | 3.042 |
| Median Absolute Deviation (MAD) | 2 |
| Skewness | -0.031922972 |
| Sum | 3042 |
| Variance | 4.1023383 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=7)
| Value | Count | Frequency (%) |
| 3 | 153 | |
| 6 | 152 | |
| 5 | 149 | |
| 1 | 146 | |
| 0 | 144 | |
| 4 | 134 | |
| 2 | 122 |
| Value | Count | Frequency (%) |
| 0 | 144 | |
| 1 | 146 | |
| 2 | 122 | |
| 3 | 153 | |
| 4 | 134 | |
| 5 | 149 | |
| 6 | 152 |
| Value | Count | Frequency (%) |
| 6 | 152 | |
| 5 | 149 | |
| 4 | 134 | |
| 3 | 153 | |
| 2 | 122 | |
| 1 | 146 | |
| 0 | 144 |
parental_education_level
Categorical
Missing
| Distinct | 3 |
|---|---|
| Distinct (%) | 0.3% |
| Missing | 91 |
| Missing (%) | 9.1% |
| Memory size | 7.9 KiB |
| High School | |
|---|---|
| Bachelor | |
| Master |
Length
| Max length | 11 |
|---|---|
| Median length | 8 |
| Mean length | 8.9262926 |
| Min length | 6 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | Master |
|---|---|
| 2nd row | High School |
| 3rd row | High School |
| 4th row | Master |
| 5th row | Master |
Common Values
| Value | Count | Frequency (%) |
| High School | 392 | |
| Bachelor | 350 | |
| Master | 167 | |
| (Missing) | 91 | 9.1% |
Length
Histogram of lengths of the category
Common Values (Plot)
| Value | Count | Frequency (%) |
| high | 392 | |
| school | 392 | |
| bachelor | 350 | |
| master | 167 |
Most occurring characters
| Value | Count | Frequency (%) |
| h | 1134 | |
| o | 1134 | |
| c | 742 | |
| l | 742 | |
| a | 517 | 6.4% |
| e | 517 | 6.4% |
| r | 517 | 6.4% |
| H | 392 | 4.8% |
| i | 392 | 4.8% |
| g | 392 | 4.8% |
| Other values (6) | 1635 |
Most occurring categories
| Value | Count | Frequency (%) |
| Lowercase Letter | 6421 | |
| Uppercase Letter | 1301 | 16.0% |
| Space Separator | 392 | 4.8% |
Most frequent character per category
Lowercase Letter
| Value | Count | Frequency (%) |
| h | 1134 | |
| o | 1134 | |
| c | 742 | |
| l | 742 | |
| a | 517 | |
| e | 517 | |
| r | 517 | |
| i | 392 | 6.1% |
| g | 392 | 6.1% |
| s | 167 | 2.6% |
Uppercase Letter
| Value | Count | Frequency (%) |
| H | 392 | |
| S | 392 | |
| B | 350 | |
| M | 167 |
Space Separator
| Value | Count | Frequency (%) |
| 392 |
Most occurring scripts
| Value | Count | Frequency (%) |
| Latin | 7722 | |
| Common | 392 | 4.8% |
Most frequent character per script
Latin
| Value | Count | Frequency (%) |
| h | 1134 | |
| o | 1134 | |
| c | 742 | |
| l | 742 | |
| a | 517 | |
| e | 517 | |
| r | 517 | |
| H | 392 | 5.1% |
| i | 392 | 5.1% |
| g | 392 | 5.1% |
| Other values (5) | 1243 |
Common
| Value | Count | Frequency (%) |
| 392 |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 8114 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| h | 1134 | |
| o | 1134 | |
| c | 742 | |
| l | 742 | |
| a | 517 | 6.4% |
| e | 517 | 6.4% |
| r | 517 | 6.4% |
| H | 392 | 4.8% |
| i | 392 | 4.8% |
| g | 392 | 4.8% |
| Other values (6) | 1635 |
internet_quality
Categorical
| Distinct | 3 |
|---|---|
| Distinct (%) | 0.3% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 7.9 KiB |
| Good | |
|---|---|
| Average | |
| Poor |
Length
| Max length | 7 |
|---|---|
| Median length | 4 |
| Mean length | 5.173 |
| Min length | 4 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | Average |
|---|---|
| 2nd row | Average |
| 3rd row | Poor |
| 4th row | Good |
| 5th row | Good |
Common Values
| Value | Count | Frequency (%) |
| Good | 447 | |
| Average | 391 | |
| Poor | 162 | 16.2% |
Length
Histogram of lengths of the category
Common Values (Plot)
| Value | Count | Frequency (%) |
| good | 447 | |
| average | 391 | |
| poor | 162 | 16.2% |
Most occurring characters
| Value | Count | Frequency (%) |
| o | 1218 | |
| e | 782 | |
| r | 553 | |
| G | 447 | 8.6% |
| d | 447 | 8.6% |
| A | 391 | 7.6% |
| v | 391 | 7.6% |
| a | 391 | 7.6% |
| g | 391 | 7.6% |
| P | 162 | 3.1% |
Most occurring categories
| Value | Count | Frequency (%) |
| Lowercase Letter | 4173 | |
| Uppercase Letter | 1000 | 19.3% |
Most frequent character per category
Lowercase Letter
| Value | Count | Frequency (%) |
| o | 1218 | |
| e | 782 | |
| r | 553 | |
| d | 447 | 10.7% |
| v | 391 | 9.4% |
| a | 391 | 9.4% |
| g | 391 | 9.4% |
Uppercase Letter
| Value | Count | Frequency (%) |
| G | 447 | |
| A | 391 | |
| P | 162 | 16.2% |
Most occurring scripts
| Value | Count | Frequency (%) |
| Latin | 5173 |
Most frequent character per script
Latin
| Value | Count | Frequency (%) |
| o | 1218 | |
| e | 782 | |
| r | 553 | |
| G | 447 | 8.6% |
| d | 447 | 8.6% |
| A | 391 | 7.6% |
| v | 391 | 7.6% |
| a | 391 | 7.6% |
| g | 391 | 7.6% |
| P | 162 | 3.1% |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 5173 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| o | 1218 | |
| e | 782 | |
| r | 553 | |
| G | 447 | 8.6% |
| d | 447 | 8.6% |
| A | 391 | 7.6% |
| v | 391 | 7.6% |
| a | 391 | 7.6% |
| g | 391 | 7.6% |
| P | 162 | 3.1% |
mental_health_rating
Real number (ℝ)
| Distinct | 10 |
|---|---|
| Distinct (%) | 1.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 5.438 |
| Minimum | 1 |
|---|---|
| Maximum | 10 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.9 KiB |
Quantile statistics
| Minimum | 1 |
|---|---|
| 5-th percentile | 1 |
| Q1 | 3 |
| median | 5 |
| Q3 | 8 |
| 95-th percentile | 10 |
| Maximum | 10 |
| Range | 9 |
| Interquartile range (IQR) | 5 |
Descriptive statistics
| Standard deviation | 2.8475014 |
|---|---|
| Coefficient of variation (CV) | 0.52363027 |
| Kurtosis | -1.1886019 |
| Mean | 5.438 |
| Median Absolute Deviation (MAD) | 2 |
| Skewness | 0.0378107 |
| Sum | 5438 |
| Variance | 8.1082643 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=10)
| Value | Count | Frequency (%) |
| 4 | 110 | |
| 6 | 108 | |
| 8 | 105 | |
| 3 | 105 | |
| 1 | 102 | |
| 10 | 99 | |
| 5 | 99 | |
| 2 | 94 | |
| 7 | 91 | |
| 9 | 87 |
| Value | Count | Frequency (%) |
| 1 | 102 | |
| 2 | 94 | |
| 3 | 105 | |
| 4 | 110 | |
| 5 | 99 | |
| 6 | 108 | |
| 7 | 91 | |
| 8 | 105 | |
| 9 | 87 | |
| 10 | 99 |
| Value | Count | Frequency (%) |
| 10 | 99 | |
| 9 | 87 | |
| 8 | 105 | |
| 7 | 91 | |
| 6 | 108 | |
| 5 | 99 | |
| 4 | 110 | |
| 3 | 105 | |
| 2 | 94 | |
| 1 | 102 |
| Distinct | 2 |
|---|---|
| Distinct (%) | 0.2% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 1.1 KiB |
| False | |
|---|---|
| True |
| Value | Count | Frequency (%) |
| False | 682 | |
| True | 318 |
exam_score
Real number (ℝ)
High correlation
| Distinct | 480 |
|---|---|
| Distinct (%) | 48.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 69.6015 |
| Minimum | 18.4 |
|---|---|
| Maximum | 100 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.9 KiB |
Quantile statistics
| Minimum | 18.4 |
|---|---|
| 5-th percentile | 41.7 |
| Q1 | 58.475 |
| median | 70.5 |
| Q3 | 81.325 |
| 95-th percentile | 99.305 |
| Maximum | 100 |
| Range | 81.6 |
| Interquartile range (IQR) | 22.85 |
Descriptive statistics
| Standard deviation | 16.888564 |
|---|---|
| Coefficient of variation (CV) | 0.24264655 |
| Kurtosis | -0.41990756 |
| Mean | 69.6015 |
| Median Absolute Deviation (MAD) | 11.6 |
| Skewness | -0.15635066 |
| Sum | 69601.5 |
| Variance | 285.22359 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 100 | 48 | 4.8% |
| 80.9 | 7 | 0.7% |
| 74 | 7 | 0.7% |
| 70.7 | 7 | 0.7% |
| 65.6 | 7 | 0.7% |
| 71 | 6 | 0.6% |
| 70.9 | 6 | 0.6% |
| 76.1 | 6 | 0.6% |
| 75.4 | 6 | 0.6% |
| 66.7 | 5 | 0.5% |
| Other values (470) | 895 |
| Value | Count | Frequency (%) |
| 18.4 | 1 | |
| 23.1 | 1 | |
| 26.2 | 1 | |
| 26.7 | 1 | |
| 26.8 | 2 | |
| 27.6 | 1 | |
| 28 | 1 | |
| 29.5 | 1 | |
| 29.7 | 1 | |
| 29.9 | 1 |
| Value | Count | Frequency (%) |
| 100 | 48 | |
| 99.9 | 1 | 0.1% |
| 99.4 | 1 | 0.1% |
| 99.3 | 1 | 0.1% |
| 99 | 1 | 0.1% |
| 98.8 | 2 | 0.2% |
| 98.7 | 3 | 0.3% |
| 98.5 | 1 | 0.1% |
| 98.4 | 1 | 0.1% |
| 98.3 | 1 | 0.1% |
Interactions
Correlations
| age | attendance_percentage | diet_quality | exam_score | exercise_frequency | extracurricular_participation | gender | internet_quality | mental_health_rating | netflix_hours | parental_education_level | part_time_job | sleep_hours | social_media_hours | study_hours_per_day | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| age | 1.000 | -0.023 | 0.000 | -0.010 | -0.004 | 0.079 | 0.000 | 0.024 | -0.046 | 0.002 | 0.000 | 0.000 | 0.039 | -0.012 | 0.002 |
| attendance_percentage | -0.023 | 1.000 | 0.000 | 0.094 | -0.009 | 0.000 | 0.020 | 0.052 | -0.008 | -0.002 | 0.032 | 0.000 | 0.012 | 0.046 | 0.025 |
| diet_quality | 0.000 | 0.000 | 1.000 | 0.055 | 0.000 | 0.051 | 0.000 | 0.000 | 0.044 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.047 |
| exam_score | -0.010 | 0.094 | 0.055 | 1.000 | 0.150 | 0.000 | 0.000 | 0.045 | 0.323 | -0.165 | 0.061 | 0.000 | 0.123 | -0.166 | 0.812 |
| exercise_frequency | -0.004 | -0.009 | 0.000 | 0.150 | 1.000 | 0.050 | 0.065 | 0.000 | -0.000 | -0.008 | 0.020 | 0.049 | 0.019 | -0.034 | -0.038 |
| extracurricular_participation | 0.079 | 0.000 | 0.051 | 0.000 | 0.050 | 1.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.074 | 0.087 | 0.000 |
| gender | 0.000 | 0.020 | 0.000 | 0.000 | 0.065 | 0.000 | 1.000 | 0.035 | 0.000 | 0.000 | 0.031 | 0.000 | 0.000 | 0.000 | 0.037 |
| internet_quality | 0.024 | 0.052 | 0.000 | 0.045 | 0.000 | 0.000 | 0.035 | 1.000 | 0.050 | 0.039 | 0.000 | 0.056 | 0.000 | 0.000 | 0.000 |
| mental_health_rating | -0.046 | -0.008 | 0.044 | 0.323 | -0.000 | 0.000 | 0.000 | 0.050 | 1.000 | 0.003 | 0.043 | 0.066 | -0.005 | -0.004 | -0.009 |
| netflix_hours | 0.002 | -0.002 | 0.000 | -0.165 | -0.008 | 0.000 | 0.000 | 0.039 | 0.003 | 1.000 | 0.000 | 0.000 | -0.016 | 0.012 | -0.036 |
| parental_education_level | 0.000 | 0.032 | 0.000 | 0.061 | 0.020 | 0.000 | 0.031 | 0.000 | 0.043 | 0.000 | 1.000 | 0.008 | 0.000 | 0.000 | 0.000 |
| part_time_job | 0.000 | 0.000 | 0.000 | 0.000 | 0.049 | 0.000 | 0.000 | 0.056 | 0.066 | 0.000 | 0.008 | 1.000 | 0.000 | 0.000 | 0.051 |
| sleep_hours | 0.039 | 0.012 | 0.000 | 0.123 | 0.019 | 0.074 | 0.000 | 0.000 | -0.005 | -0.016 | 0.000 | 0.000 | 1.000 | 0.015 | -0.031 |
| social_media_hours | -0.012 | 0.046 | 0.000 | -0.166 | -0.034 | 0.087 | 0.000 | 0.000 | -0.004 | 0.012 | 0.000 | 0.000 | 0.015 | 1.000 | 0.021 |
| study_hours_per_day | 0.002 | 0.025 | 0.047 | 0.812 | -0.038 | 0.000 | 0.037 | 0.000 | -0.009 | -0.036 | 0.000 | 0.051 | -0.031 | 0.021 | 1.000 |
Missing values
A simple visualization of nullity by column.
Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.
Sample
| student_id | age | gender | study_hours_per_day | social_media_hours | netflix_hours | part_time_job | attendance_percentage | sleep_hours | diet_quality | exercise_frequency | parental_education_level | internet_quality | mental_health_rating | extracurricular_participation | exam_score | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | S1000 | 23 | Female | 0.0 | 1.2 | 1.1 | No | 85.0 | 8.0 | Fair | 6 | Master | Average | 8 | Yes | 56.2 |
| 1 | S1001 | 20 | Female | 6.9 | 2.8 | 2.3 | No | 97.3 | 4.6 | Good | 6 | High School | Average | 8 | No | 100.0 |
| 2 | S1002 | 21 | Male | 1.4 | 3.1 | 1.3 | No | 94.8 | 8.0 | Poor | 1 | High School | Poor | 1 | No | 34.3 |
| 3 | S1003 | 23 | Female | 1.0 | 3.9 | 1.0 | No | 71.0 | 9.2 | Poor | 4 | Master | Good | 1 | Yes | 26.8 |
| 4 | S1004 | 19 | Female | 5.0 | 4.4 | 0.5 | No | 90.9 | 4.9 | Fair | 3 | Master | Good | 1 | No | 66.4 |
| 5 | S1005 | 24 | Male | 7.2 | 1.3 | 0.0 | No | 82.9 | 7.4 | Fair | 1 | Master | Average | 4 | No | 100.0 |
| 6 | S1006 | 21 | Female | 5.6 | 1.5 | 1.4 | Yes | 85.8 | 6.5 | Good | 2 | Master | Poor | 4 | No | 89.8 |
| 7 | S1007 | 21 | Female | 4.3 | 1.0 | 2.0 | Yes | 77.7 | 4.6 | Fair | 0 | Bachelor | Average | 8 | No | 72.6 |
| 8 | S1008 | 23 | Female | 4.4 | 2.2 | 1.7 | No | 100.0 | 7.1 | Good | 3 | Bachelor | Good | 1 | No | 78.9 |
| 9 | S1009 | 18 | Female | 4.8 | 3.1 | 1.3 | No | 95.4 | 7.5 | Good | 5 | Bachelor | Good | 10 | Yes | 100.0 |
| student_id | age | gender | study_hours_per_day | social_media_hours | netflix_hours | part_time_job | attendance_percentage | sleep_hours | diet_quality | exercise_frequency | parental_education_level | internet_quality | mental_health_rating | extracurricular_participation | exam_score | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 990 | S1990 | 18 | Male | 3.2 | 3.5 | 1.7 | No | 91.7 | 6.5 | Good | 1 | Master | Good | 5 | No | 63.6 |
| 991 | S1991 | 20 | Male | 6.0 | 2.1 | 3.0 | No | 86.7 | 5.1 | Good | 2 | High School | Good | 3 | No | 85.3 |
| 992 | S1992 | 18 | Male | 3.5 | 0.0 | 1.9 | No | 96.8 | 6.4 | Fair | 3 | Bachelor | Poor | 3 | No | 71.8 |
| 993 | S1993 | 20 | Male | 3.8 | 2.1 | 1.0 | No | 89.0 | 5.2 | Good | 1 | High School | Good | 7 | No | 70.9 |
| 994 | S1994 | 20 | Female | 1.6 | 1.3 | 2.9 | No | 75.3 | 5.6 | Good | 0 | High School | Average | 5 | No | 41.7 |
| 995 | S1995 | 21 | Female | 2.6 | 0.5 | 1.6 | No | 77.0 | 7.5 | Fair | 2 | High School | Good | 6 | Yes | 76.1 |
| 996 | S1996 | 17 | Female | 2.9 | 1.0 | 2.4 | Yes | 86.0 | 6.8 | Poor | 1 | High School | Average | 6 | Yes | 65.9 |
| 997 | S1997 | 20 | Male | 3.0 | 2.6 | 1.3 | No | 61.9 | 6.5 | Good | 5 | Bachelor | Good | 9 | Yes | 64.4 |
| 998 | S1998 | 24 | Male | 5.4 | 4.1 | 1.1 | Yes | 100.0 | 7.6 | Fair | 0 | Bachelor | Average | 1 | No | 69.7 |
| 999 | S1999 | 19 | Female | 4.3 | 2.9 | 1.9 | No | 89.4 | 7.1 | Good | 2 | Bachelor | Average | 8 | No | 74.9 |